Home / 75,845.22-113,615.52-37,779.84

Finding the Fourth Proportional to 75,845.22, 113,615.52 and 37,779.84

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Solution

The fourth proportional to 75,845.22, 113,615.52 and 37,779.84 is: 56,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.22 : 113,615.52 = 37,779.84 : x
  2. Step 2: Convert to fraction form
    75,845.22/113,615.52 = 37,779.84/x
  3. Step 3: Cross multiply
    75,845.22x = 113,615.52 × 37,779.84
  4. Step 4: Simplify right side
    75,845.22x = 4,292,376,167.12
  5. Step 5: Solve for x
    x = 4,292,376,167.12/75,845.22
  6. Step 6: Final answer
    x = 56,593.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.